Journal
MICROPOROUS AND MESOPOROUS MATERIALS
Volume 114, Issue 1-3, Pages 440-447Publisher
ELSEVIER
DOI: 10.1016/j.micromeso.2008.01.033
Keywords
porous oxide; nanotube arrays; titanium oxide; anodic oxidation; SANS
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Funding
- Russian Foundation for Basic Research [06-08-01443-a, 06-03-89507-NNS-a]
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Titania nanotube arrays were synthesized via anodic oxidation of titanium foils in glycerol electrolyte containing NH4F at anodization voltage ranging from 10 V to 30 V. The structural parameters of self-organized periodic arrays of titania nanotubes were determined by small-angle neutron scattering and scanning electron microscopy techniques. Transmission electron microscopy and electron diffraction studies of single-standing nanotubes revealed the presence of nanocrystalline titanium oxide phases with oxidation states lower than +4 (TiO, Ti2O3). Several assumptions on growth and self-organization mechanism of nanotube arrays have been made. (C) 2008 Elsevier Inc. All rights reserved.
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